class sensor_get_path(object):
	"""This sensor returns a path (as a list of graph nodes) from the node nearest the agent to a specified target node."""
	def __init__(self,agent_num,world_model):
		self.agent_num=agent_num
		self.world_model=world_model
	def sense(self):
		return self.world_model.get_path_agent(self.agent_num)